The effect of a pre- and post-operative orthogeriatric service on cognitive function in patients with hip fracture. The protocol of the Oslo Orthogeriatrics Trial

Table 1 Variables and time-points for assessment

Pre-fracture characteristics registered during index stay	Index stay	4-months follow-up	12-months follow-up
IQCODE	Demographics	CERAD 10 words memory task	CERAD 10 words memory task
CDR	Type of fracture	MMSE	MMSE
Barthel	Surgical and anaesthetic procedures	Cock drawing test	Cock drawing test
NEADL	Medication	CDR	CDR
Cornell	CCI	Barthel	Barthel
	ASA score	NEADL	NEADL
	APACHE score	Cornell	Cornell
	SAPS II	SPPB	SPPB
	ECG	Weight	Weight
	Medication	Hand-dynamometry Micronutrients in blood (as during index stay)	Hand-dynamometry Micronutrients in blood (as during index stay)
	Hand-dynamometry	Markers of bone turnover (as during index stay)	Markers of bone turnover (as during index stay)
	Weight, height
	CAM daily
	MDAS
	ActivePAL (from September 2011)
	Micronutrients in blood (Vit A, Thiamine, Pyridoxine, Folate, Vit B₁₂, Vit C, 25-Hydroxy-Vit D, Vit E, Vit K₁, Homocystein, Zink)
	Markers of bone turnover (Osteocalcin, Undercarboxylated osteocalcin, Parathyroid hormone, Bone-specific alkaline phosphatase, Insulin-like growth factor 1, Carboxy-terminal collagen crosslinks (CTX), Aminoterminal propeptide of type I collagen (PINP))

Abbreviations: ALP = Alkaline Phosphatase. APACHE = Acute Physiology And Chronic Health Evaluation. ASA = American Society of Anaesthesiologists. CAM = Confusion Assessment Method. CCI = Charlson Co-morbidity Index. CDR = Clinical Dementia Rating. ECG = electrocardiogram. IGF = Insuline-like Growth Factor. IQCODE = Informant Questionnaire on Cognitive Decline in the Elderly. MDAS = Memorial Delirium Assessment Scale. NEADL = Notingham Extended Activities of Daily Living Scale. SAPS = Simplified Acute Physiology Score. SPPB = Short Physical Performance Battery. Vit = Vitamin.

ISSN: 1471-2318